/* 音乐播放器样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #333;
    overflow: hidden;
    height: 100vh;
}

.music-player {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

/* 头部标题栏 */
.player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: linear-gradient(90deg, #FF6B35, #F7931E);
    color: white;
    user-select: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.player-header h1 {
    font-size: 18px;
    font-weight: 600;
}

.header-controls {
    display: flex;
    gap: 8px;
}

.header-controls .control-btn {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s ease;
}

.header-controls .control-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* 主播放区域 */
.player-main {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow-y: auto;
}

/* 当前播放信息 */
.current-track {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.track-art {
    flex-shrink: 0;
}

.track-art img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.track-info h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
    color: #2c3e50;
}

.track-info p {
    font-size: 14px;
    color: #7f8c8d;
    margin-bottom: 3px;
}

/* 进度控制 */
.progress-section {
    background: rgba(255, 255, 255, 0.7);
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.time-display {
    display: flex;
    align-items: center;
    gap: 15px;
}

.time-display span {
    font-size: 12px;
    color: #666;
    font-weight: 500;
    min-width: 40px;
}

.progress-bar {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: #e1e1e1;
    outline: none;
    cursor: pointer;
    appearance: none;
}

.progress-bar::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #FF6B35;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(255, 107, 53, 0.3);
    transition: all 0.2s ease;
}

.progress-bar::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 3px 8px rgba(255, 107, 53, 0.4);
}

.progress-bar::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #FF6B35;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(255, 107, 53, 0.3);
}

/* 播放控制 */
.controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.control-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 12px;
    border-radius: 50%;
    transition: all 0.2s ease;
    user-select: none;
}

.control-btn:hover {
    background: rgba(255, 107, 53, 0.1);
    transform: scale(1.1);
}

.control-btn.primary {
    background: linear-gradient(135deg, #FF6B35, #F7931E);
    color: white;
    font-size: 32px;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.control-btn.primary:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.control-btn.secondary {
    font-size: 18px;
    color: #666;
}

.control-btn.active {
    color: #FF6B35;
    background: rgba(255, 107, 53, 0.1);
}

/* 音量控制 */
.volume-section {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.volume-icon {
    font-size: 18px;
    color: #666;
}

.volume-bar {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: #e1e1e1;
    outline: none;
    cursor: pointer;
    appearance: none;
}

.volume-bar::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #FF6B35;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(255, 107, 53, 0.3);
}

.volume-bar::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #FF6B35;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(255, 107, 53, 0.3);
}

#volumeValue {
    font-size: 12px;
    color: #666;
    min-width: 30px;
}

/* 播放列表 */
.playlist-section {
    background: rgba(255, 255, 255, 0.9);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    max-height: 200px;
    display: flex;
    flex-direction: column;
}

.playlist-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.playlist-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: #2c3e50;
}

.playlist-controls {
    display: flex;
    gap: 10px;
}

.btn-secondary {
    padding: 6px 12px;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    color: #666;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

.playlist {
    flex: 1;
    overflow-y: auto;
    list-style: none;
}

.playlist-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.playlist-item:hover {
    background: rgba(255, 107, 53, 0.1);
}

.playlist-item.playing {
    background: rgba(255, 107, 53, 0.15);
    color: #FF6B35;
    font-weight: 500;
}

.playlist-item .track-number {
    font-size: 12px;
    color: #999;
    min-width: 20px;
    margin-right: 15px;
}

.playlist-item .track-details {
    flex: 1;
}

.playlist-item .track-name {
    font-size: 14px;
    margin-bottom: 2px;
}

.playlist-item .track-duration {
    font-size: 11px;
    color: #999;
}

.playlist-empty {
    padding: 20px;
    text-align: center;
    color: #999;
    font-style: italic;
}

/* 状态栏 */
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 20px;
    background: #f8f9fa;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 12px;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 500px) {
    .current-track {
        flex-direction: column;
        text-align: center;
    }
    
    .track-art img {
        width: 60px;
        height: 60px;
    }
    
    .controls {
        gap: 15px;
    }
    
    .control-btn {
        font-size: 20px;
        padding: 10px;
    }
    
    .control-btn.primary {
        font-size: 28px;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #999;
}

/* 动画效果 */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.control-btn.primary.playing {
    animation: pulse 2s infinite;
}